.flex-h {
    display: flex;
    flex-direction: row;
}

.flex-v {
    display: flex;
    flex-direction: row;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-h-center {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.flex-v-center {
    display: flex;
    flex-direction: column;
    align-items: center;
}
